7co (pronounced “Nanako”) is a music project by vocalist Nanako Ashida and music producer RYUJA. Fusing pop with Hip-Hop and R&B-based tracks, their progressive sound and highly empathetic lyrics have attracted much attention. In 2025, they were selected for Spotify’s “RADAR: Early Noise 2025.” Their single “0.0000%” topped China’s QQ Music J-POP Weekly Chart. They performed at “SUMMER SONIC 2025” and expanded overseas, including shows in Korea. In 2026, they were selected as the only Japanese act for “Shazam Fast Forward 2026,” signaling global momentum.